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6 C1436M-G (2/06)
Example:
An enclosure that requires 30 VA and is installed 94 feet (28 m) from the transformer
would require a minimum wire gauge of 20 AWG.
NOTE:
Distances are calculated in feet; values in parentheses are meters.
Table A.
24 VAC Wiring Distances
The following are the recommended maximum distances for 24 VAC applications and are calculated with
a 10 percent voltage drop. (Ten percent is generally the maximum allowable voltage drop for
AC-powered devices.
Wire Gauge
20 18 16 14 12 10
Total VA consumed
10
283 (86) 451 (137) 716 (218) 1142 (348) 1811 (551) 2880 (877)
Maximum distance from
transformer to load
20
141 (42) 225 (68) 358 (109) 571 (174) 905 (275) 1440 (438)
30
94 (28) 150 (45) 238 (72) 380 (115) 603 (183) 960 (292)
40
70 (21) 112 (34) 179 (54) 285 (86) 452 (137) 720 (219)
50
56 (17) 90 (27) 143 (43) 228 (69) 362 (110) 576 (175)
This equipment contains electrical or electronic components that must be recycled properly to comply with Directive 2002/96/EC of the European Union
regarding the disposal of waste electrical and electronic equipment (WEEE). Contact your local dealer for procedures for recycling this equipment.